# Riki vs E

The clearest difference is in-app purchases: E at none against Riki's 4. E also leads on update cadence (daily vs every 2 weeks). Riki's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Riki sells 4 one-off in-app purchases. E asks for nothing beyond the download.

Riki ships an update every 2 weeks, E daily. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Riki | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/riki/id1507066351/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 76.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 98 MB | 51 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hong Nguyen Huu](https://appshunter.io/developer/1435614967) | [Le Quang Minh](https://appshunter.io/developer/1593629618) |

## What reviewers say

### Riki

[App page](https://appshunter.io/ios/app/riki/id1507066351)

Prepare for JLPT exams with expert-led courses and a structured learning path. Access video lectures, practice exercises, and vocabulary flashcards anytime, anywhere. Offers dedicated support throughout your learning journey.

**Highlights:** Expert-led JLPT courses, Structured learning paths (N5-N1), Video lectures on app, Practice exercises with scoring, Specialized vocabulary flashcards, Free learning library

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Riki Purchase | $22.99 | one-time |
| Riki Purchase | $59.99 | one-time |
| Riki Purchase | $119.99 | one-time |
| Riki Purchase | $229.99 | one-time |


### E

[App page](https://appshunter.io/ios/app/e-flashcard/id6748866414)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Riki free?

Riki is free to download, with in-app purchases available.

### Is E free?

E is free to download, with no in-app purchases.

### Do Riki or E have ads?

E shows ads; Riki does not.

### Which is updated more often, Riki or E?

Riki ships an update every 2 weeks, and E daily. Most recently, Riki was updated on October 14, 2026 and E on September 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*